IBM MainFrame Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

COBOL (1072)
JCL (1031)
CICS (755)
DB2 (1122)

IMS (143)
IDMS (107)
Natural (81)
ADABAS (26)

REXX (60)
Assembler (68)
CLIST (6)
QMF (32)

MVS (25)
OS390 (10)
OS 2 (7)
VSAM (319)

IBM MainFrame Interview Questions

Questions Answers Views Company eMail

does uni-rexx give me any capabilities designed specifically for the unix environment?

IBM,

975

how to access data in control blocks such as jobname?

IBM,

950

what if I need to have the same application running on multiple platforms, such as unix and the mainframe? Does that mean I have to maintain two separate sources?

IBM,

906

Can I cleanly uninstall oorexx?

IBM,

958

for which platforms is uni-rexx available?

IBM,

976

why is there no os/2 (ecs) port of oorexx?

IBM,

995

can oorexx run normal rexx programs?

IBM,

1000

can I redistribute oorexx freely with commercial software?

IBM,

1031

is oorexx compatible with ibm object rexx?

IBM,

987

how to pass parms to ispf edit macro?

IBM,

1094

how to access data held on the jes spool?

IBM,

1058

have you already used rexx - even for limited purposes? Do you need to maintain a high level of productivity during your transition to unix?

IBM,

951

How to rename a table in DB2 ?

MCN Solutions,

1086

Is it possible to create an Instance in DB2 using DB2 Control Center ?

MCN Solutions,

1099

What is the difference between dbm cfg and db cfg file in db2 ?

MCN Solutions,

1531

Un-Answered Questions { IBM MainFrame }

What are storage attributes of records?

897

What is the purpose of disp parameter?

1114

Explain why do we use file-aid for seqential files?

1069

Explain the maximum number of pcbs allowed in a psb?

3614

How to code these statements in JCL: CLEANUP INITIAL(NO) RESTART(NO) DYNALLOC(NO) job definition..?

2252

What is the difference between comp and comp-3?

1183

Explain control variable in online screens?

997

What is a transid?

1078

what are bind concepts in db2 cobol?

1090

Mention the different locking levels that are available in db2.

1127

How to write a IDMS code to find whose employee last name is starting with J and first name starts with H?

1346

how do you define an altindx ? How do you use altindxs in batch, cics programs?

1067

What is rmode(24)

1134

If JOBA is in MSGW due to data decimal error and DUMP is generated and I found that Decimal field formatted with some special char which is coming from Input file amd file has millions of records. How I can find out on which record the error is occur. Please share your experience.....

2146

Write the code to count the sum of n natural numbers.

1204

For More Un-Answered { IBM MainFrame } Questions Click Here